Question

how many significant figures are in the following number
0.003003000

○ 2
○ 7
○ 4
○ 10

Explanation:

Step1: Ignore leading zeros

Leading zeros before the first non-zero digit (3) are not significant: 0.003003000

Step2: Count non-zeros and trailing zeros after decimal

Non-zeros: 3,3; trailing zeros after decimal: 0,0,0,0,0 → total 7

Answer:

7